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Mend Ferroli Optimax He 31 C

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We have 55 questions about mending 'ferroli optimax he 31 c' in category Heating, Home Heating Systems

How to mend Ferroli Optimax He 31 C

Pages 321
Mend boiler gas heating
6

Wot is wrong with my Ferroli Optimax HE 31 C gas boiler?

My gas boiler is flashing F37, which is low system pressure. The manual says that I should fill the system to ... [Read more]
Mend boiler heating radiators

how do i get my ferroli optimax he 31 c boiler?

i have pressed the reset button on my boiler and now my radiators work but i have no hot water, can anyone hel... [Read more]
Mend boiler wont work
1

boiler wont work ?

my boiler wont work its a ferroli optimax he plus 31 c it just flashes f 40 on the screen what is this? nothin... [Read more]
Mend boiler combi ferroli
2

Pressure too high on Optimax HE 31 C Ferroli Combi Boiler?

F40 keeps flashing when the boiler shuts down after 20 minutes of being on. This says incorrect system water ... [Read more]
Mend boiler heating pressure

how do i top up my Ferroli optimax he plus 31 c? ?

How do I top up my Ferroli Optimax HE Plus 31 C as the pressure has dropped and what position should the blue ... [Read more]
Mend ferroli heating optimax
4

Ferroli Optimax HE 31 C Optional Timer?

Where can I get instructions for the optional timer for the HE 31 C? It is not mentioned at all in the manual... [Read more]
Mend boiler central heating reset

how do i restore heating from ferroli optimax he 31 c?

the boiler is on as i have hot water but the central heating will not come on. the code is not recognised in t... [Read more]
Mend boiler heating ferroli
3

Name of part for Ferroli Optimax HE 31 C boiler?

Hi, I have the above boiler which requires a new part. In the user manual under section 2.7 'Condensate Outle... [Read more]
Mend Ferroli Combi Fault
2

Boiler Systems?

How do I improve a low water pressure fault on a Ferroli Optimax HE 31 C Combi Boiler System? The pressure... [Read more]
Mend boiler heating pressure
18

Ferroli Optimax HE 31 C, how do I put water pressure up?

Boiler is 4 weeks old and the water pressure is too low and I now have no heating. Does anyone have any idea ... [Read more]
Mend boiler heating ferroli
2

Ferroli Optimax HE 31 c boiler serial number?

Where can i find the serial number to my Ferroli Optimax HE 31C boiler? Thanks.
Mend ferroli heating fault
5

on a optimax ferroli 31 he c what is a F21 fault, ?

on an ferroli optimax he 31 c, what is a F21 fault please
Mend boiler heating pressure

ferroli optimax he 31 c?

hello, silly question - how on earth do i fill my boiler to increase pressure? i have tried turning the blu... [Read more]
Mend boiler central heating fault
2

ferroli optimax he 31 c?

I have no instruction booklet for the above. It is 6 months old. The central heating wont turn off (even with ... [Read more]
Mend boiler heating ferroli
1

ferroli optimax he 31 C?

What does code d2 on the display mean?
Mend boiler ferroli low water pressure
4

No display on Ferroli Optimax HE 31 C control panel why?

Please help. The control panel has some lines on it (power is on) but no symbols at all - no fault codes, no p... [Read more]
Mend boiler heating ferroli

ferroli optimax he 31 c d1 comes on display boiler not firing up correctly?

the boiler was fitted to existing system. central heating was working fine until bath tap turned on then water... [Read more]
Mend central heating boiler ferroli

No hot water?

Our Ferroli optimax HE 31 C boiler is not giving us any hot water although the central heating system is worki... [Read more]
Mend boiler heating ferroli
4

Ferroli Optimax HE 31 C?

How do i get my heating to work? It fires up and the temperature starts to rise on the display, then the digit... [Read more]
Mend boiler combi heating
2

operating manual for Ferroli Optimax HE 31 C?

Where can I get a manual for this combi boiler? It has been installed in my home and the contractors didn't le... [Read more]
Pages 321

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Mend boiler heating ferroli

F40 fault?
Mend boiler heating pressure

Ferroli Optimax HE31c a26 problem?
Mend boiler heating pressure

Hi how to increase the water pressure on ferroli optimax 25C?
Mend boiler heating repair

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Mend boiler ferroli parts

Parts for ferroli optimax he 31c ?
Mend boiler heating leak

Ferroli DOMIcompact F 30 D?
Mend combi heating radiators

i have a ferroli combi boiler i have 1/2 the radiators working and 1/2 not ?
Mend replace diverter valve

Replace a diverter valve?
Mend Heating, Home Heating Systems

Ferolli Optimax HE 31C expansion vessel change?

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